If something is (a)   true, you think it is true, but you are not sure.

(a)   means being part of a city or a town.

The (a)   of people or things in a group is more than half of them.

If you are (a)   , you can move or travel easily from place to place.

If you do (a)   , you study something to learn facts about it.

(a)   are the facts and information you learn from doing research.

To (a)   in school, you need to study hard.

Having a common (a)   helps people to work together.

Many people don't like travel (a)   . They like to travel with other people.

An (a)   suh as walking or swimming is a good way to exercise.

(a)   : a trip that has a special goal

(a)   : enjoyable

(a)   : relating to money

Many people (a)   risk in their everyday lives.

Tom Sanders has a risky job. He (a)   people jumping out of planes.

Michael Fay (a)   to save wildlife in central Africa.

Salak often takes risks to (a)   herself

Challenges give you a deeper (a)   on life.

An (a)   is usually a type of business that makes things, for example, cars or computers.